# Contributor: Carlo Landmeter <clandmeter@alpinelinux.org>
# Maintainer: Natanael Copa <ncopa@alpinelinux.org>

# when changing _ver we *must* bump _rel
_name=zfs
_ver=2.2.2
_rel=2
# when changing _kver/_krel make sure _rel=0
_flavor=${FLAVOR:-lts}
_kpkg=linux-$_flavor
_kver=6.6.9
_krel=0

_kpkgver="$_kver-r$_krel"

# for custom kernels set $FLAVOR
case $CARCH in
	x86|x86_64|aarch64) _extra_flavors="virt";;
esac

_kpkg=linux-$_flavor
_kabi="$_kver-$_krel-$_flavor"

pkgname=$_name-$_flavor
pkgver=$_kver
pkgrel=$(( _krel + _rel ))

pkgdesc="ZFS Linux kernel modules"
url="https://openzfs.org"
arch="all !armhf !riscv64" # limited by linux-lts
license="CDDL-1.0"
provides="spl-vanilla=$pkgver-r$pkgrel" # Mitigate upgrade conflicts
depends="$_kpkg=$_kpkgver"
depends_dev="glib-dev e2fsprogs-dev util-linux-dev libtirpc-dev
	$_kpkg-dev=$_kpkgver"

makedepends="$depends_dev linux-headers"
install_if="zfs $_kpkg=$_kpkgver"
subpackages="$pkgname-dev"
source="https://github.com/openzfs/zfs/releases/download/zfs-$_ver/zfs-$_ver.tar.gz
	aarch64-disable-neon.patch
	"
builddir="$srcdir/$_name-$_ver"
options="!check"

# secfixes:
#   2.2.1-r1:
#     - CVE-2023-49298

for f in $_extra_flavors; do
	makedepends="$makedepends linux-$f-dev=$_kpkgver"
	subpackages="$subpackages zfs-$f:_extra"
done

prepare() {
	default_prepare
	# verify the kernel version
	local _kapkbuild="$startdir"/../../main/linux-$_flavor-/APKBUILD
	if [ -f $_kapkbuild ]; then
		(	. $_kapkbuild
			pkgname=$_name-$_flavor
			[ "$_kver" != "$pkgver" ] && die "please update _kver to $pkgver"
			[ "$_krel" != "$pkgrel" ] && die "please update _krel to $pkgrel"
			return 0
		)
	fi
}

build() {
	local flavor= kabi=
	for flavor in $_flavor $_extra_flavors; do
		kabi="$_kver-$_krel-$flavor"
		mkdir -p "$kabi"
		(cd $kabi
		../configure --prefix=/usr \
			--with-tirpc \
			--sysconfdir=/etc \
			--mandir=/usr/share/man \
			--infodir=/usr/share/info \
			--localstatedir=/var \
			--with-config=kernel \
			--with-linux=/usr/src/linux-headers-$kabi

		make
		)
	done
}

package() {
	local flavor= kabi=
	for flavor in $_flavor $_extra_flavors; do
		kabi="$_kver-$_krel-$flavor"
		(cd $kabi && make DESTDIR="$pkgdir" install)
	done
}

_extra() {
	local flavor=${subpkgname##*-}
	depends="linux-$flavor=$_kpkgver"
	install_if="zfs linux-$flavor=$_kpkgver"
	pkgdesc="ZFS Linux kernel modules for $flavor"

	kabi="$_kver-$_krel-$flavor"
	mkdir -p "$subpkgdir"/lib/modules
	mv "$pkgdir"/lib/modules/$kabi "$subpkgdir"/lib/modules
}

dev() {
	mkdir -p "$subpkgdir"/usr
	mv "$pkgdir"/usr/src "$subpkgdir"/usr
	default_dev
}

sha512sums="
bba252cbf7986f2cce154dd18a34aa478cf98f70106337188dc894de2446d60a58fa643706927757d1787506b44d4ff404897a2d0e16aacb0a7bf27765703332  zfs-2.2.2.tar.gz
50499c40a670e8b447279912953732c015dfb3559372d5e203be30e1e22663920747c3a65f995e94b70bed0d5fdf82f72e260422792097578a50b49001df7aee  aarch64-disable-neon.patch
"
